Home / 134,103.38-185,056.04-80,377.97

Finding the Fourth Proportional to 134,103.38, 185,056.04 and 80,377.97

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Solution

The fourth proportional to 134,103.38, 185,056.04 and 80,377.97 is: 110,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,103.38 : 185,056.04 = 80,377.97 : x
  2. Step 2: Convert to fraction form
    134,103.38/185,056.04 = 80,377.97/x
  3. Step 3: Cross multiply
    134,103.38x = 185,056.04 × 80,377.97
  4. Step 4: Simplify right side
    134,103.38x = 14,874,428,107.10
  5. Step 5: Solve for x
    x = 14,874,428,107.10/134,103.38
  6. Step 6: Final answer
    x = 110,917.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.